No need to add more, I guess.
It would be nice to know if this is dev-lang/gdl or dev-libs/gdl.
commit 3078d10fcf276c0d36975bfd48ef064b46f60b3d Author: Alex Valavanis <valavanisalex@gmail.com> Date: Wed Jul 27 17:21:52 2016 +0100 Disable GTK+ 2 support and delete internal copy of GDL Fixed bugs: - https://launchpad.net/bugs/1424830 - https://launchpad.net/bugs/1606558 (bzr r15023.2.1)